Dayton, TN Weather & Growing Conditions
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. North wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 0 mph | 4% |
| Saturday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 34% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 35% |
| Sunday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 30% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 30% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 52% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 52% |
| Tuesday | 88°F | Showers And Thunderstorms | 0 mph | 77% |
| Tuesday Night | 66°F | Showers And Thunderstorms | 0 mph | 77% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 0 mph | 57% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 0 mph | 57% |
| Thursday | 81°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 20% |
| Thursday Night | 60°F | Slight Chance Rain Showers | 0 to 5 mph N | 20% |
| Friday | 80°F | Slight Chance Rain Showers | 0 to 5 mph N | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, TN
Last spring frost
Apr 4
First fall frost
Oct 31
Growing season
208 days
Hardiness zone
7b
Explore more for Dayton, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Dayton 2Se, Tn (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.